Home / 638,275.62-957,704.02-238,947.48

Finding the Fourth Proportional to 638,275.62, 957,704.02 and 238,947.48

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Solution

The fourth proportional to 638,275.62, 957,704.02 and 238,947.48 is: 358,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,275.62 : 957,704.02 = 238,947.48 : x
  2. Step 2: Convert to fraction form
    638,275.62/957,704.02 = 238,947.48/x
  3. Step 3: Cross multiply
    638,275.62x = 957,704.02 × 238,947.48
  4. Step 4: Simplify right side
    638,275.62x = 228,840,962,164.87
  5. Step 5: Solve for x
    x = 228,840,962,164.87/638,275.62
  6. Step 6: Final answer
    x = 358,530.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.